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161292

1,7-Octadiyne

98%

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About This Item

Linear Formula:
HC≡C(CH2)4C≡CH
CAS Number:
871-84-1
Molecular Weight:
106.17
NACRES:
NA.22
PubChem Substance ID:
24849918
UNSPSC Code:
12352100
EC Number:
212-815-0
MDL number:
MFCD00008580
Assay:
98%
Form:
liquid
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Quality Segment

100

assay

98%

form

liquid

refractive index

n20/D 1.446 (lit.)

bp

135-136 °C (lit.)

density

0.8 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

C#CCCCCC#C

InChI

1S/C8H10/c1-3-5-7-8-6-4-2/h1-2H,5-8H2

InChI key

DSOJWVLXZNRKCS-UHFFFAOYSA-N

General description

1,7-Octadiyne is a terminal bis-alkyne and participates in the formation of uranium(IV) vinyl complexes. It reacts with frustrated Lewis pair P(o-tolyl)3/B(C6F5)3 by acetylene C-C coupling to yield the zwitterionic product. It undergoes the reductive cyclization during reaction with Re2Cl4(μ-dppm)2 (dppm = Ph2PCH2PPh2) and affords quadruply bonded dirhenium(III) complex Re2Cl3(μ,η2-C8H7)(μ-dppm)2.

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

73.4 °F - closed cup

flash_point_c

23 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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